• Journal of Cardiovascular Imaging
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• 제31권4호
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• pp.169-177
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• 2023

BACKGROUND: Acute worsening of cardiac function frequently leads to kidney dysfunction. This study aimed to identify clinical and imaging parameters associated with impaired kidney function in patients with acute decompensated heart failure with reduced ejection fraction (HFrEF). METHODS: Data from 131 patients hospitalized with acute decompensated HFrEF (left ventricular ejection fraction, < 40%) were analyzed. Patients were divided into two groups according to the glomerular filtration rate (GFR) at admission (those with preserved kidney function [GFR ≥ 60 mL/min/1.73 m²] and those with reduced kidney function [GFR < 60 mL/min/1.73 m²]). Various echocardiographic parameters and perirenal fat thicknesses were assessed by computed tomography. RESULTS: There were 71 patients with preserved kidney function and 60 patients with reduced kidney function. Increased age (odds ratio [OR], 1.07; 95% confidence interval [CI], 1.04-1.12; p = 0.005), increased log N-terminal pro b-type natriuretic peptide (OR, 1.74; 95% CI, 1.14-2.66; p = 0.010), and increased perirenal fat thickness (OR, 1.19; 95% CI, 1.10-1.29; p < 0.001) were independently associated with reduced kidney function, even after adjusting for variable clinical and echocardiographic parameters. The optimal average perirenal fat thickness cut-off value of > 12 mm had a sensitivity of 55% and specificity of 83% for kidney dysfunction prediction. CONCLUSIONS: Thick perirenal fat was independently associated with impaired kidney function in patients hospitalized for acute decompensated HFrEF. Measurement of perirenal fat thickness may be a promising imaging marker for the detection of HFrEF patients who are more susceptible to kidney dysfunction.

• Journal of Nutrition and Health
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• 제28권10호
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• pp.967-975
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• 1995

To investigate effects of dietary fish oil and vitamin E level on the tissue levels of vitamin E and vitamin A and to see which tissue is sensitive to lipid peroxidizability, male Sprague-Dawley rats were fed experimental diets composed of either menhaden oil or soybean oil nad either low(equivalent to 17 mg $\alpha$-tocopherol) or high (equivalent to 140mg $\alpha$-tocopherol) vitamin E level for 4 weeks. Palsma TBARS per mg lipid was significantly elevated in rats fed fish oil with low vitamin E level compared to soybean oil-fed rats. TBARS levels of liver, heart, kidney and liver microsomes were also increased by feeding fish oil with low vitamin E level. Plasma TBARS level was significantly correlated with TBARS levels of liver, heart, kidney and liver microsome. Plasma vitamin E level of groups with vitamin E supplementation was elevated significantly as compared to the those without vitamin E supplementation, whereas vitamin E levels of liver, heart and kidney were not changed significantly. Plasma TBARS was negatively correlated with plasma vitamin E(r=0.5763, P<0.001) and A(r=-0.4523, P<0.01) and seems to be a good indicator of in vivo lipid peroxidative stress.

• 대한수의학회지
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• 제16권1호
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• pp.97-103
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• 1976

In order to clarify the histopathological changes resulting from nitrate poisoning, rabbits were experimentally poisoned by the oral administration of $KNO_3$ or $NaNO_2$ and examined clinically and histopathologically. In addition, the quantitative changes of glycogen level in hepatic cells were histochemically observed. The results obtained were summarized as follows: 1. Clinical symptoms observed from the acute cases which died within 2 hours after the administration were severe cyanosis of visible mucosa, frequent urination, and dyspnea. However, in chronic cases administrated daily with $KNO_3$ for 43, 50 and 74 days respectively, no marked symptoms were observed. 2. Macroscopic changes observed in acute cases were severe methemoglobinemia, cloudy swelling of hepatic cells, hemorrhage and hyperemia of gastric mucosa, and hyperemia of other organs. In chronic cases there were marked hyperemia, dark-red coloring and increasing of consistency in liver and kidney, and swelling of spleen. 3. Microscopic changes observed in acute cases were hemorrhage and hyperemia of various organs, cloudy swelling and centrilobular necrosis of hepatic cells and necrosis of convoluted tubular epithelium in kidney. In chronic cases there were round cell infiltration of the interlobular connective tissue and epithelial proliferation of interlobular bile ducts in the liver, and necrosis of the convoluted tubular epithelium and proliferation of interstitial connective tissue in kidney, thickening of alveolar septa of lungs, activated hemopoiesis of bone marrow, and myeloid metaplasia of sqlenic pulp. 4. Glycogen storage in liver cells was decreased in acute cases, on the contrary, increased in chronic cases.

• 동의생리병리학회지
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• 제18권6호
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• pp.1784-1794
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• 2004

To study the effects between Cd inhalation toxicity and methanol extract of Radix Achyranthis Bidentatae, 4 rat groups were exposed to Cd aerosol by whole-body inhalation exposure for 6 hours/day, 5 days/week, and 4 weeks. Cd concentration in air was 0.98㎎/㎥ and mass median diameter(MMD) was 1.78㎛. 3 different dose intraperitoneal injections of methanol extract of Radix Achyranthis Bidentatae to 3 inhalation exposure groups applied for 4 weeks and the results were as follows: The highest body weight gain for 4 weeks and food intake per day were from inhalation exposure group Ⅲ(p<0.05). The highest lung weight was from inhalation exposure group Ⅲ and the highest liver and kidney weight were from inhalation exposure group Ⅱ(p<0.05). The lowest Cd content in lung was 22.77㎍/g from inhalation exposure group Ⅲ(p<0.05). The highest Cd concentration in blood was 11.71㎍/㎗ from inhalation exposure group Ⅰ(p<0.05). Cd concentrations of 14.87㎍/g in liver and 17.91㎍/g in kidney were the highest from inhalation exposure group Ⅰ(p<0.05). The lowest Cd concentration in liver and kidney were 5.71㎍/g and 3.17㎍/g from the control(p<0.05). For weekly Cd concentration in urine, the highest value was 0.48㎍/㎖ from inhalation exposure group Ⅲ of the 3rd week and inhalation exposure group Ⅰ, Ⅱ of the 4th week. For weekly Cd concentration in feces, the highest value was 0.32㎍/g from inhalation exposure group Ⅰ, Ⅱ, Ⅲ. The highest metallothionein concentration in lung was 89.02㎍/g from inhalation exposure group Ⅲ(p<0.05). The highest metallothionein concentrations in liver and kidney were 265.47㎍/g and 214.21㎍/g from inhalation exposure group Ⅲ, respectively(p<0.05). The highest Hct, Hb, and WBC values were from inhalation exposure group Ⅱ and the highest RBC value was from inhalation exposure group Ⅲ(p<0.05). Mostly damaged part in liver tissue was hepatic lobule and the degrees of damage were lessened by the intraperitoneal injection of methanol extract of Radix Achyranthis Bidentatae. Proximal, distal convoluted tubules and glomerulus in kidney tissue were mostly damaged part. Degeneration and swelling were partially observed but the degrees of kidney tissue damage were lessened more or less by the intraperitoneal injection of methanol extract of Radix Achyranthis Bidentatae.

• 한국환경과학회지
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• 제11권6호
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• pp.583-588
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• 2002

Heavy metals like Mercury and Cadmium cause various kinds of toxicities in the organs of Liver and Kidney. To observe the results of toxicity in the liver, kidney, and serum when the rats were injected subcutaneously with HgCl$_2$ and CdC1$_2$ and sacrificed after 24 hours and 72 hours from the last injection, we measured variation of lipidperoxide values in rat liver homogenate, variation of aspartate aminotransferase and alanine aminotransferase in rat serum. Variation of lipidperoxide values in rat kidney homogenate and variation of BUN in rat serum. It was found that Mercury and Cadmium administered subcutaneously to the skin in the air could cause the damages of liver and kidney.

• 한국임상수의학회지
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• 제20권3호
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• pp.423-426
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• 2003

Congenital anomalies occur at low levels in Korean antive cattle. PCR and Serum neutrlizing test against BVD, Akabane virus, Ibaraki virus, Kasba virus were examined. The results were all negative. Gross anatomical analysis was carried aout. Congenital abnormal newborn calf had 2 atropic left hindlimbs, which was nor moved autonomosly. The length of 2 atropic hindlimbs was 72 em and 48cm respectively. Both of them were curved severely at joints. Affected limbs were developed in connective tissue but lack of muscular tissue. In the abdominal region right kidney was normal. But there were two left kidneys which was half size compared with normal kidney. One of them had polycysts. In skeletal region, affected left limb is defective of head of femur and tibia.

• 한방비만학회지
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• 제6권1호
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• pp.11-26
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• 2006

Hair tissue mineral analysis is widely accepted for assessing essential and toxic elements which can give information about disease, metabolic disorder, nutritional imbalance, drug abuse, environmental exposure and so on. In Oriental Medicine, hair have been used as a diagnostic method which reflects the physiological and pathological status of body, especially kidney system(腎臟) and blood(血) like the quotations from Donguibogam(東醫寶鑑), 'hair belongs to kidney system(髮屬腎)' and 'hair is the remainder of blood(髮者血之餘)' Therefore we have suggested that HTMA have possibility to be utilized for screening and treatment for obesity, growth disorder, general deficiency syndrome(諸虛證), etc. in Oriental Medicine.

• BMB Reports
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• 제36권2호
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• pp.154-158
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• 2003

Collagen is a family of proteins which consists of several genetically distinct molecular species and is intimately involved in tissue organization, function, differentiation and development. The purpose of this study was to investigate the concentration of different hydroxyproline (Hyp) fractions viz., total, free, peptide-bound, protein-bound, soluble- and insoluble-collagen hydroxyproline (Hyp) in various bovine tissues. Results showed that liver had the highest concentration of free Hyp followed by kidney, brain, spleen, lungs, muscle and heart. Liver also had the highest concentration of peptide-bound collagen Hyp followed by kidney, heart, spleen, lungs, brain and muscle. The concentration of protein-bound collagen Hyp was highest in the liver, followed by kidney, spleen, lungs, muscle, brain and heart. Total Hyp was highest in the liver, followed by kidney, spleen, brain, heart, muscle and lungs. Liver also had significantly high concentration of collagen as compared to other tissues examined (P<0.001). Spleen had the significantly higher concentration of soluble-collagen Hyp when compared to other tissues (P<0.001). This was followed by heart, muscle, lungs, brain, kidney and liver. Heart had the highest concentration of insoluble-collagen Hyp followed by lungs, kidney, liver, muscle, spleen and brain. The variation among the insoluble-collagen Hyp concentration of heart and muscle, spleen and brain was significant (P<0.001). We speculate that these differences could be due to the variation in turn over of rate of collagen metabolism in this species.

• 한국동물위생학회지
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• 제25권1호
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• pp.87-96
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• 2002

In this study, we wanted to determine if the respirotropic JMK strain of infectious bronchitis virus(IBV), which has a spike glycoprotein gene that is 99% similar to the nephropathogenic Gray strain of IBV, could adapt and cause lesions in the kidney following intracloacal passage in chickens. Two day old specific pathogen free(SPF) cchickens were infected with Gray and JMK strains by the intraocular and cloacal route. Several tissue samples were collected at various times. Viruses were recovered from more tissues and earlier in the infection from chickens infected cloacally than chickens infected intraocularly. Virus was isolated from the kidney of chickens infected with Gray by the intraocular route and JMK by the intracloacal route, but not from chicken given JMK the intraocular route. Histopathologically, interstitial nephritis was observed in Gray infected chickens. However, viral RNA or antigen were not detected in the kidney by in situ hybridization and immunohistochemistry. We further passaged the JMK strain ten times in two day old SPF chickens using cloacal inoculation. We examined the virus titer and histopathological change in the kidney at each passage level. The amount of virus recovered from the kidney was stable throughout this serial passage and the passaged virus did not caused renal damage. Further, virus could not be isolated from the kidney when chickens were infected with the passaged virus by the intraocular route. We conclude that the JMK strain has a strict upper respiratory tract tropism since cloacal passage did not produce nephrotropism or nephropathogenicity.

• 한국임상수의학회지
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• 제17권1호
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• pp.76-82
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• 2000

This study was undertaken to find out the effect of persimmon leaves on histopathological changes of cadmium toxicity in mice. Seventy two BALB/c mice of male were divided into a control group(A) and five experimental groups (B, C, D, E, F) : group A received tap water and basal diet, group B received tap water and diet supplemented with 3% persimmon leaves alone, group C received basal diet and 300 ppm cadmium, group D, E and F received basal diet supplemented with 1, 3% and 7% persimmon leaves and 300 ppm cadmium respectively. Cadmium dissolved in tap water was used, and the persimmon leaves were mixed with feed. All mice were dissected on the 84th day. Pathological changes in liver, kidney, cortical osseous tissue of femoral shaft, bone trabecular of femur, and epiphyseal cartilage plate of femur were observed. Group B showed no significant changes as the control group. But group C showed the unclearness of specific cells in liver, the loss of architecture and necrosis of hepatocyte, degeneration and necrosis of renal convoluted tubules, desquamation and vacuolization of the greater part of the renal tubular epithelium, marked thinning of the cortical osseous tissue in femoral shaft, reduction of cancellous bone volume and decreaswe of trabecular number, and marked thinning of epiphyseal cartilage plate in femur. On the other hand, persimmon leaves-treated group showed a little convalescent changes an maintained their normal architectures in liver, kidney, cortical osseous tissue of femoral shaft, bone trabecular of femur, and epiphyseal cartilage plate of femur.